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incorrect checksum detected on "global/pg_filenode.map" when VACUUM FULL is executed - Mailing list pgsql-general

From Tatsuki Kadomoto
Subject incorrect checksum detected on "global/pg_filenode.map" when VACUUM FULL is executed
Date
Msg-id BN6PR08MB2658CFCDFFB92B7F5BF1355293E80@BN6PR08MB2658.namprd08.prod.outlook.com
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Responses Re: incorrect checksum detected on "global/pg_filenode.map" when VACUUM FULL is executed  (John R Pierce <pierce@hogranch.com>)
Re: incorrect checksum detected on "global/pg_filenode.map" when VACUUM FULL is executed  (Michael Paquier <michael.paquier@gmail.com>)
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Hello,


I see incorrect checksum detected on "global/pg_filenode.map" when "VACUUM FULL" is executed.

The error message didn't repeat. It showed up only once.

Is this expected? Can someone give me a plausible scenario why this happened?


Aug 16 20:51:19 postgres[22329]: [2-1] FATAL:  relation mapping file "global/pg_filenode.map" contains incorrect checksum


It looks like it's pretty rare and I have seen it only once at 2 different machines.


PosgreSQL version is 9.2.4.


Regards,

Tatsuki

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